Exhibit at the National Firearms Museum Patent for "HAND GUN", Patented Mar 11, 1975 Patent for "FIREARM", Patented Dec 31, 1974 Patent for "Manually cycled pistol", Patented May 22, 1979 Patent for "Manually cycled pistol", Patented August 3, 1982 Patents .45 ACP firearms Pistols of the United States Abandoned military projects of the United States